You are about to download the YouTube Markup 1.2.1 Extension crx file for Chrome based browsers: Mark timestamp in youtube videos ...
The offline & original crx file of YouTube Markup v1.2.1 was fully archived from the web store server and is for home or personal use only. You could learn more about the YouTube Markup or proceed to install it to your web browser.
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Accessibility > YouTube Markup / Extension
Latest Version: 1.2.1
Updated: June 1, 2026
Download Size: 27.99 KB
More Crx Package Information (Latest Version)
• Extension Version: 1.2.1
• Updated On: June 1, 2026
• Extension Languages: English
• Crx File: emhjhcepnjieabmcmioendnlpbbhlnbn-1.2.1-www.Crx4Chrome.com.crx
• File Size: 27.99 KB (28664 Bytes)
• MD5: d0cecd9c516c68dec3e294186e0e31c6
• SHA1: 47fc5fe94b3faf387f92db1ef9f82366a3fa5d0a
• SHA256: 7aff17ae67a74a80e0a09527bfcb2067bd4e6593674449ada6c8882ce7dfaf50
• Download Crx From Web Store Server
YouTube Markup Version 1.2.1 Installation Notes
After you download the crx file for YouTube Markup 1.2.1, open Chrome's extensions page (chrome://extensions/ or find by Chrome menu icon > More tools > Extensions), and then drag-and-drop the *.crx file to the extensions page to install it.
Copyright Notice: YouTube Markup is the property and trademark of the developer umut.lu. All rights reserved.
YouTube Markup 1.2.1 Permissions
storage
tabs
YouTube Markup Version History
• YouTube Markup 1.1.1 Crx (Updated: March 1, 2023)
• YouTube Markup 1.1.0 Crx (Updated: February 19, 2023)
• YouTube Markup 1.0.0 Crx (Updated: September 17, 2022)